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Ankle Sprain and Strain Risk Factors

Some people have a higher risk of developing ankle sprains and strains than others. Some risk factors are lifestyle-related and therefore preventable, while others are related to gender and age, and therefore not preventable.

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Risk factors for developing ankle sprains and strains include, but are not limited to:

Poor athletic conditioning. Anyone who attempts strenuous athletic activities without prior conditioning, such as a regular routine of ankle and calf stretching and strengthening exercises, runs an increased risk of spraining or straining the ankle ligaments and muscles during activity.

Muscle and ligament fatigue. When muscles and ligaments become fatigued at or near the end of a vigorous activity, people run a higher risk of injury if they “push through” the fatigue in pursuit of more activity instead of resting. For example, someone running a marathon may run a higher risk of ankle sprains or strains during the last few miles of the race.

Not warming up before activity. Athletes who go right into vigorous activity without doing a gradual warmup session beforehand, such as gentle stretching and walking before starting a sprint, run a higher risk of ankle sprains and strains. Without a warmup period, muscles and ligaments will remain tight, and less flexibility means greater risk for stretches and tears.5

Carrying excess weight. Excess weight places greater impact load onto the joints when walking, running, and jumping, which can increase the likelihood that ligaments and/or muscles will be stretched or torn during activity.6 Some studies indicate that the risk of developing ankle sprains and strains is slightly higher for overweight males than for overweight females.7

Female gender in athletes over 30 (ankle sprains only). Several studies have indicated that females over age 30 are at a significantly higher risk of developing ankle sprains than males in that age group, independent of their body mass index.8

Male gender in young athletes, age 15-24 (ankle sprains only). In teenage and young adult athletes, males appear to have a higher incidence of ankle sprain than their female counterparts in the same age group.

Inappropriate footwear. Not wearing supportive footwear that is designed for the specific type of playing or walking surface being used can increase risk for developing ankle sprains and strains. For example, wearing high-heeled shoes while walking on an uneven or icy surface, or wearing low-topped shoes instead of high-tops when playing basketball.9

Prior history of sprains or strains. Persons who have had sprains or strains in the past have a higher risk of undergoing the same injury again than persons who have never had an ankle sprain or strain.10

Patients with one or more of the above risk factors are advised to seek prompt medical attention if they suspect an ankle sprain or strain, especially if they have a history of repeated ankle injuries. Patients can also reduce their risk of injury by improving their athletic conditioning, strength, and flexibility.